Support of Arrow Database Connectivity (ADBC)

[Seddryck]

adbc+duckdb:///customer.db

using AdbcDriver duckdb = CAdbcDriverImporter.Load(".\\duckdb.dll", "duckdb_adbc_init");
using AdbcDatabase db = duckdb.Open(new Dictionary<string, string> { { "path", ".\\customer.db"} });
using AdbcConnection cn = db.Connect(null);
using AdbcStatement stmt = cn.CreateStatement();

stmt.SqlQuery = "SELECT * from Customer";
return stmt.ExecuteQuery();